數學橋 的英文怎麼說
中文拼音 [shǔxuéqiáo]
數學橋
英文
mathematical bridge-
His work inspired the great cambridge school of mathematical physicists.
他的工作培育了數學物理學者的龐大的劍橋學派。Not only does go - space provide rich examples, but also go - space buildes a bridge between general topology and related mathem atics branches, such as lattics theory, domain theory, graph theory, real number theory, etc. thus it is very important in theory and reality to study go - space
在go -空間中，不僅給一般拓撲學提供了精彩豐富的例證，而且架設了一般拓撲學和相關數學分支的橋梁，如格論、 domain理論、圖論及實數理論等等。It was in this month something over twenty years ago that i, ludwing horace holly, sat one night in my rooms at cambridge, grinding away at some mathematical work, i forget what.
那是二十多年前的事了。也就是在這個月份的一天晚上，我，路德維格霍勒斯霍利，正坐在劍橋大學我的房間里埋頭攻讀數學著作，具體讀的是本什麼書，我記不大清楚了。Professor sir james mirrlees graduated in mathematics in 1957 from the university of edinburgh and has worked at cambridge university as assistant lecturer and a teaching fellow of trinity college before being elected to a chair in mathematical economics in oxford
莫理斯爵士早年修讀數學並於1957年在愛丁堡大學畢業，之後在英國劍橋大學擔任助理講師及教學院士，並於牛津大學出任數學經濟學講座教授。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用Single er valve ' s control equation is derived two mathematic models of er valve - cylinder actuator is constructed according to control methods of er valve - cylinder. and a position control system based on er valve - bridge actuator is simulated. the result shows that the system has good dynamic performance
根據電流變閥對液壓缸的控制方式，建立了兩種由電流變閥控制液壓缸組成的電流變閥控系統動力元件的數學模型，並對電流變閥橋路結構式的動力元件組成的閥控位置系統進行了模擬。It was in this month something over twenty years ago that i, ludwing horace holly, sat one night in my rooms at cambridge, grinding away at some mathematical work, i forget what
那是二十多年前的事了。也就是在這個月份的一天晚上，我，路德維格?霍勒斯?霍利，正坐在劍橋大學我的房間里埋頭攻讀數學著作，具體讀的是本什麼書，我記不大清楚了。During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis
在電路設計中，作者介紹了直流電機的工作原理和數學模型、脈寬調制（ pwm ）控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式，設計了驅動電路的總體結構，給出了電路的功能模塊，確定了設計的可行性，然後在子電路模塊中，重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路（電荷泵及自舉電路） 、低端功率管柵驅動電路和死區時間產生電路。The authors describe the modelling of a railway steel truss bridge with long - span in order to analyse the detailed distribution of stress for members and nodal plates in main truss, the detailed deformation and stress distribution due to frame effect on transversal bracing plane in truss bridge, and the detailed distribution of stress in important parts of the steel plate girder bridge with initially transversal deformation by using sseb in this article
本文建立大跨鐵路鋼桁梁橋和鋼板梁橋全橋結構模擬分析數學模型，說明了鋼桁梁橋桿件和節點板詳細應力分佈、平面框架詳細變形與應力分佈和有變形缺陷鋼板梁橋重要部位應力的模擬分析結果等問題。A brief talk on transformation problems in mathematics
從歐拉解決七橋問題看數學問題解決方法The resolution not only constitutes temporary criterio n to ship ' s maneuverability, but also puts forward to adopting math model to prediction of computer calculation in design phase. in addition, with development of the inland river shipping project, the scale of the inland river ship and fleet becomes more and more huge, especially for those hvge fleet which can be look on as corpulent ship with shallow draught. to ensure the security of the navigation, the special maneuverability is needed for them to passing through the bridge safely
該決議在制定了船舶操縱性標準的同時，還提出在設計階段可採用數學模型進行計算機模擬預報來作為驗證符合標準的依據。另外，隨著內河航運事業的發展，內河船舶和分節頂推船隊的規模越來越大，特別是編隊龐大的頂推船隊，可以視為淺吃水的肥大船型，為保證航行安全，特別是順利通過大橋，對其操縱性也有特殊的要求。Most of stephen hawking ' s innovative thinking occurs at cambridge, where he is lucasian professor of mathematics, a seat once occuplied by isaac newton
斯蒂芬?哈肯的創造性思想中的大部分出現于劍橋，在那兒他是拉卡斯數學教授，一個曾經為伊撒克?牛頓所擔任的職位。This modeling method is applicable to most of facts and hvdc devices, not only to those devices including thyristor - controlled reactor ( tcr ), such as thyristor - controlled series capacitor ( tcsc ) and static var compensator ( svc ), but also to those devices including converter bridge, such as hvdc device and static synchronous compenstor ( statcom ), etc. it deduces the mathematical models of tcsc, hvdc, svc and statcom devices with the proposed method
該方法能適用於大多數facts裝置和hvdc裝置，不僅可用於含有晶閘管可控電抗器（ tcr ）元件的裝置如可控串聯電容補償（ tcsc ） 、靜止無功補償器（ svc ）等的建模，也可用於含換流橋的裝置如hvdc裝置、靜止同步補償器（ statcom ）等的建模。本論文採用動態相量法建立了tcsc 、 svc 、 hvdc及statcom裝置的數學模型。Based on the in - situ measured data of water depth and results of physical model tests and mathematic model calculation, the influencing factors on the sediment deposition in the wharf apron after construction of wharfs are analyzed taking the wharfs in waigaoqiao port in the yangtze river estuary as an example
以長江口外高橋港區碼頭?例，根據現場實測水深資料， ?結合物理模型試驗及數學模型計算的結果，分析建碼頭后影響碼頭前沿泥沙回淤的因素。Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads
利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四，根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷，按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準，採用修正的miner線性累積損傷理論，根據前橋的s - n和p - s - n關系式得到了各路面的強化系數，建立了綜合路面的強化系數計算的數學模型。It studies the operation systems and the management systems of the investment project of road bridge. also it sets up the relative model of evaluation after the investment project of road bridge. it seeks for the scientific and reasonable quantification solution of the determination of the nature of target, then takes out the quantification analysis ; in the meantime, the forecast model of dynamical uncertainty sets up to predict the operational profits of the project in the future periods, so as to scientific evaluate and analysis to this project with the result of predict
本文從路橋投資項目的特點入手，首先將后評價的視野向前後兩個方向深度拓展，研究了路橋投資項目后評價的監督機制、管理機制和執行機制，構建了路橋投資項目后評價的數學模型，尋求定性指標科學、合理的量化方法，並對其進行量化分析;同時，建立動態不確定性預測模型，對項目未來一段時期的運行效益進行預測，並根據預測結果對項目進行科學的評價和分析。The article studies how to create 3 - dimensional model of crossroads in virtual environment and discusses mathematics model of horizontal alignment, the paper explains crossroads data visualization and defines data structures of visual data
本文從虛擬現實建模入手，研究虛擬環境下的立交橋三維建模方法，探討基於約束的平面線形的數學模型。And power loss analysis of srs and the layout design related to srs are very important to the proper design. with a small signal mathematic model of half - bridge converter, the relationship between performance of power supply and frequency domain characteristics of the system is analyzed. based on the above study and some simulation the system design is completed
文中在給出了結合單繞組自驅動方案的對稱半橋變換器穩態原理分析、同步整流管損耗分析暨選擇原則、同步整流管相關電路的布局設計后，建立了對稱半橋變換器的小信號數學模型，分析了電源系統時域性能指標與頻域特性之間的聯系，在此基礎上完成了系統的設計。With studying the character of the fairway, the hydrology, the model circumstance, this paper starts with the geog raphical environment at the bridge area, and uses the computer to simulate the navigation track under these situation, then provides correlating data and analyzing method engineer to optimize the position of the piers and seaman to maneuver the ship when they enter the bridge area
本文從橋區的地理環境出發，通過研究橋區的航道特徵、水文特徵、典型環境條件，建立了相關的數學模型，並運用計算機模擬船舶在這些條件下的航跡，從而為橋梁的選址、橋墩位置的優化以及船舶駕駛員在進入橋區時的航行方法提供相關的數據和分析手段。分享友人